Home / 977,061.60-1,465,738.20-345,925.80

Finding the Fourth Proportional to 977,061.60, 1,465,738.20 and 345,925.80

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Solution

The fourth proportional to 977,061.60, 1,465,738.20 and 345,925.80 is: 518,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,061.60 : 1,465,738.20 = 345,925.80 : x
  2. Step 2: Convert to fraction form
    977,061.60/1,465,738.20 = 345,925.80/x
  3. Step 3: Cross multiply
    977,061.60x = 1,465,738.20 × 345,925.80
  4. Step 4: Simplify right side
    977,061.60x = 507,036,659,425.56
  5. Step 5: Solve for x
    x = 507,036,659,425.56/977,061.60
  6. Step 6: Final answer
    x = 518,940.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.